Best Obd2 Codes List Apps

250+ iOS apps curated and reviewed

3.4 avg rating

17 free apps

Updated September 2026

With an average user rating of 3.4★, the obd2 codes list category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.

Compare top Obd2 Codes List Apps (September 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	OBD2 Codes List (OBD-II)	Free	—	Yes	Yes	May 2026
2	Obd2 Codes List	$0.99	1.0★ (2)	No	No	Jul 2026
3	OBD ll Codes Multi Language	Free	1.0★ (6)	No	No	Sep 2026
4	OBD2 Codes Pro Auto offline	Free	2.8★ (15)	No	No	Sep 2026
5	OBD2 Trouble Code	Free	3.3★ (306)	No	No	Sep 2026
6	OBD2 Fault Codes with Solution	Free	3.7★ (3)	Yes	Yes	Aug 2026
7	OBD2 - اكواد اعطال السيارات	Free	4.1★ (2.6K)	No	No	Sep 2026
8	OBD Connector - OBD-II, ELM327	$4.99	—	No	No	Aug 2026

Top Picks for Obd2 Codes List

#1

OBD2 Codes List (OBD-II) by Arsosa Network Inc.

OBD2 codes list database.

Editor's Choice

0.0(0 ratings)

FreeAdsIn-App Purchases

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#2

Obd2 Codes List by Tu Phan

OBD ll (obd2) codes list

Strong Contender

1.0(2 ratings)

$0.99

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Instantly look up check engine codes for virtually any car. Access a vast database of generic and manufacturer-specific fault codes with descriptions and potential causes, even offline.

#3

OBD ll Codes Multi Language by Hassan Benessafi

obd2 codes list

Worth Considering

1.0(6 ratings)

Free

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Instantly look up your car's check engine code with this comprehensive guide. Access descriptions and potential causes for codes from major manufacturers, supporting 15 languages. Empower yourself with knowledge to avoid being overcharged by mechanics.

More Obd2 Codes List apps to explore

OBD2 Codes Pro Auto offline

OBD2 Codes Pro Auto offline

OBD2 Codes Pro Auto offline

Complete List of OBD Codes

Access a comprehensive offline database of OBD2 (OBDII) codes for all major car manufacturers. Look up check engine codes, view descriptions, and identify possible causes on the go. Save your search history for quick reference.

Offline OBD2 code databaseGeneric and manufacturer-specific codesCheck engine code descriptions

OBD2 Trouble Code

OBD2 Trouble Code

OBD2 Trouble Code

OBD ll Code Reader Guide

Instantly look up your car's check engine codes on the go. Access a vast database of OBD2 codes with descriptions and potential causes for all major manufacturers. Save your search history for quick reference.

OBD2 code lookupCheck engine code descriptionsPossible cause identification

OBD2 Fault Codes with Solution

OBD2 Fault Codes with Solution

OBD2 Fault Codes with Solution

Get in-depth Explanations

Decode automotive trouble codes with a comprehensive database and detailed explanations. Find step-by-step guides to diagnose and resolve issues, making car maintenance accessible for all users.

OBD2 code databaseDetailed code descriptionsSolution guides

free with in-app purchases

OBD2 - اكواد اعطال السيارات

OBD2 - اكواد اعطال السيارات

OBD2 - اكواد اعطال السيارات

ترجمة و شرح اكواد OBD بالعربية

This app translates and explains car error codes in Arabic. It helps you diagnose vehicle issues without needing to visit a mechanic, providing detailed Arabic explanations for OBD codes.

Arabic translation of car error codesDiagnosis of vehicle faultsExplanation of OBD codes

OBD Connector - OBD-II, ELM327

OBD Connector - OBD-II, ELM327

OBD Connector - OBD-II, ELM327

OBD-II diagnostics and trips

by Liang-Hung Publishing

This app serves as a reference for standard Diagnostic Trouble Codes (DTCs). It helps users understand fault codes generated by a vehicle's onboard computer, aiding in problem diagnosis.

Diagnostic Trouble Code referenceVehicle fault code lookupProblem diagnosis aid

Where is my OBD2 port? Find it

Where is my OBD2 port? Find it

Where is my OBD2 port? Find it

Easily locate your car's OBD

Struggling to find your car's OBD2 diagnostic port? This app acts as a search engine to help you easily locate your OBD connector. With a growing database of over 1000 vehicles, it assists in diagnosing your car.

OBD2 port search engineDatabase of over 1000 vehiclesCollaborative photo submission

📊 Productivity

BlueDriver OBD2 Scan Tool

BlueDriver OBD2 Scan Tool

BlueDriver OBD2 Scan Tool

This app turns your smartphone into a powerful OBD2 scan tool. It allows you to read and clear trouble codes, view live data, and generate detailed repair reports for your vehicle. Understand your car's issues and make informed repair decisions.

Read and clear trouble codes (Check Engine, ABS, etc.)Generate professional-grade Repair ReportsAccess Mode 6 and smog readiness data

📊 Productivity

free with in-app purchases

This app connects to your vehicle's OBD system via a WiFi adapter to display sensor data and diagnostic trouble codes. It includes a simulator for testing functionality without a physical connection.

Retrieves sensor valuesDisplays fault codesOBD WiFi adapter communication

Interpreter for obd2 scanners

Decode and understand car diagnostic trouble codes with this comprehensive interpreter. It provides detailed insights into fault codes, potential causes, and repair recommendations, complementing your existing OBD2 scanning tools. Access a vast database of codes across multiple languages and car brands to diagnose issues with confidence.

Interpretation of over 85,000 OBD2 codesMultilingual support (English, French, Italian, German, Portuguese, Spanish)Extensive coverage across auto makes and brands

free with in-app purchases

OBDII Scanner ELM327 OBD2

OBDII Scanner ELM327 OBD2

OBDII Scanner ELM327 OBD2

OBD2 Scanner and Trouble codes

This app allows you to scan your car's trouble codes and view live data using an OBD2 Bluetooth adapter. It logs statistics and freeze frames for future reference, storing all diagnostic trouble codes (DTCs) on a server.

Scan car trouble codesView live dataLog live statistics

free with in-app purchases

Autmet | OBD2 Scanner

Autmet | OBD2 Scanner

Autmet | OBD2 Scanner

OBD2 scanner & car diagnostic

This diagnostic tool connects to your vehicle's OBD data via a Bluetooth device. It allows you to read various ECU data and supports common OBD-II protocols.

Reads vehicle ECU dataBluetooth OBD device compatibleSupports OBD-II protocols

OBD2 Enhance Trouble Code Lite

OBD2 Enhance Trouble Code Lite

OBD2 Enhance Trouble Code Lite

Find DTCs Definition and Cause

This app provides definitions and potential causes for On-Board Diagnostics (OBD) trouble codes. It covers a wide range of generic and manufacturer-specific codes for numerous vehicle models, helping users understand and potentially fix error codes.

DTC definitions from workshop manualsPossible causes for error codesCovers 73 vehicle models

CarDiag : Car Diagnostic OBD2

CarDiag : Car Diagnostic OBD2

CarDiag : Car Diagnostic OBD2

A Mechanic In Your Pocket

Diagnose vehicle issues, turn off the check engine light, and manage maintenance digitally. This app provides insights into car problems, repair tips, and cost estimations, empowering users to handle car diagnostics independently.

Automatic OBD2 diagnosticsManual fault identificationReset check engine light

ChkOBD OBD2 Analyzer

ChkOBD OBD2 Analyzer

ChkOBD OBD2 Analyzer

A good diagnostic of your car

Connect your iPhone or iPad to your car's engine to view vital data. Access basic engine values for free, with in-app purchases for advanced diagnostics, smog check readiness, VIN analysis, and error decoding.

View engine valuesIn-app purchase for advanced dataSmog Check Assistant

free with in-app purchases

MotorData OBD ELM car scanner

MotorData OBD ELM car scanner

MotorData OBD ELM car scanner

Car diagnostic. Dashboard.

Transform your smartphone into a comprehensive car diagnostic tool. Read and clear trouble codes, monitor real-time vehicle performance, and customize your dashboard for a deeper understanding of your car's health. Includes free engine diagnostics with optional advanced features for specific brands.

Deep diagnostics for up to 25 ECUsOne-touch scan for trouble codesDecode DTCs and clear Check Engine Light

free with in-app purchases

Prevost OBD Code Converter

Prevost OBD Code Converter

Prevost OBD Code Converter

by Prevost Car (US) Inc.

This tool translates complex OBD codes into easily understandable error messages. It helps users quickly identify and understand vehicle diagnostic trouble codes.

OBD code translationError message equivalentsVehicle diagnostics aid

FAQ about Obd2 Codes List

Are there free obd2 codes list apps for iPhone?

Yes — 17 of the top obd2 codes list apps we rank are free to download, including OBD2 Codes List (OBD-II) and OBD ll Codes Multi Language.

Does OBD2 Codes List (OBD-II) have ads or in-app purchases?

OBD2 Codes List (OBD-II) shows ads and offers in-app purchases, according to its App Store listing as of September 2026.

How many obd2 codes list apps are on the App Store?

We track 250+ obd2 codes list apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.